Rust

remove trailing whitespace #4155

Job	Run time
Check cargo fmt	39s
Check License Header	2m 22s
cargo check	13m 48s
build with wasm-pack	3m 7s
cargo test (macos)	13m 33s
cargo test (macos-aarch64)	12m 46s
Verify MSRV (Min Supported Rust Version)	9m 3s
Verify Vendored Code	55s
cargo test (win64)	1h 19m 15s
cargo test (amd64)	12m 12s
cargo examples (amd64)	14m 47s
check Cargo.toml formatting	2m 52s
clippy	6m 51s
cargo test hash collisions (amd64)	28m 25s
cargo doc	4m 34s
cargo test doc (amd64)	17m 48s
cargo test datafusion-cli (amd64)	4m 42s
Run sqllogictest with Postgres runner	4m 7s
cargo test pyarrow (amd64)	3m 0s
verify benchmark results (amd64)	14m 24s
check configs.md and ***_functions.md is up-to-date	3m 41s
	4h 12m 51s

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